(Rainfall variations) can be periodic.Logical formLearned from2 sentences. (Dosage contours) can be periodic.Logical formLearned from2 sentences. An adaptation can be periodic.Logical formLearned from2 sentences. Blockades can be periodic.Logical formLearned from2 sentences. Inhomogeneities can be periodic.Logical formLearned from2 sentences. Structures can be periodic.Logical formLearned from2 sentences. Times may pertain-to a periodic motion.Logical formLearned from2 sentences. A torpor can be periodic.Logical formLearned from2 sentences. A (progress report) can be periodic.Logical formLearned from2 sentences. (Procurement system reviews) can be periodic.Logical formLearned from2 sentences. (Interest rate adjustments) can be periodic.Logical formLearned from2 sentences. A (water quality) can be periodic.Logical formLearned from2 sentences. Valves can be periodic.Logical formLearned from2 sentences. (Validity checks) can be periodic.Logical formLearned from2 sentences. A (license verification) can be periodic.Logical formLearned from2 sentences.